On overwintered grasses some dark hyphomycete (mold). Producing conidia in chains. Conidia verrucose, brown, breaks in sections of 3 or more.
On the bark of Acer, small, black cup fungi. Apothecia are up to 1mm in diameter, sessile.
Asci 8-spored.
Ascospores with many septa, hyaline.
Paraphyses with blueish pigment.
Ass. Hyalorbilia subfusispora.